Mini Roadster R59 Rear Window Heating Cable Loom Heat Wiring Harness 712042105

The Mini Roadster R59 Rear Window Heating Harness is a specialized wiring harness designed to power the rear window heating circuit in the Roadster model. Its original construction from the Cables, Harnesses, and Connectors group ensures correct signal routing and stable operation of the rear heating system. This is a practical service solution for Mini owners looking to restore full defrosting functionality.

Specifications and technical data

• SKU: 2759409
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 2759409
• Substitutable numbers: 2759409, 54342759409, 712042105, KD
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The presented harness is an electrical system component responsible for delivering power to the heating circuit of the rear window. Its placement in the rear of the vehicle allows for direct connection to the window connectors and the rest of the electrical system, facilitating service and diagnostics of the system.

Thanks to proper wire routing and matched connectors, the harness helps maintain stable heating operating parameters, reduces the risk of voltage drops, and supports even defrosting of the window surface in conditions of low temperature and high humidity.

Benefits of Using an Original Mini Harness

Using an original Mini part from the Cables, Harnesses, and Connectors category ensures compatibility with the vehicle's factory electrical system architecture. Appropriate wire lengths, correct conductor cross-sections, and matched connectors minimize the risk of incorrect installation and subsequent operational issues.

Key advantages of this solution include:

• factory fit for the rear of the R59 Roadster body,
• preservation of the original wire routing path,
• compatibility with the vehicle's existing electrical system,
• easier diagnostics of potential rear window heating faults.

This makes the harness a functional choice for repairs after mechanical damage, contact corrosion, or circuit interruptions in the heating system.

Assembly and Usage Characteristics

The component is designed for installation in the rear of the vehicle, making it easy to integrate with factory mounting points and window connectors. The design of the wires and connectors is adapted to the operating conditions in the rear of the body, where variable temperatures, humidity, and vibrations occur.

In practice, installation involves:

• routing the harness according to the factory path in the rear of the vehicle,
• connecting the connectors to the window and the vehicle's electrical system,
• checking circuit continuity and proper heating operation.

This approach allows for the restoration of system functionality without the need for electrical system modifications, which is particularly important in vehicles where maintaining the original electrical configuration is crucial.

Product Condition and Service Application

The offered harness is a used part, making it a cost-effective solution for rear window heating system repairs. For workshops specializing in the Mini brand and for owners who service their vehicles themselves, it offers a practical alternative to new components, allowing for the restoration of functionality while maintaining compliance with factory specifications.

Replacing a damaged or corroded harness with an original part of this type is recommended wherever there are problems with the window heating system, intermittent circuit operation, or visible damage to wires and connectors in the rear of the vehicle.

If you are planning a comprehensive repair or upgrade of the rear area of your Mini and need other parts from the same group, such as power cables, signal harnesses, or electrical connectors, check the available parts in the Mini Cables, Harnesses, and Connectors category.

To better plan service work on drivetrain systems and select appropriate accompanying components, a guide on gearboxes may be helpful – you can find it in the article Gearbox: Manual, Automatic, or DSG – Common Faults and a Used Gearbox Buying Guide.